O: the spines of the lower six thoracic vertebrae, the thoracolumbar fascia, the spines of the lumbar and scral vertebrae and their supraspinous ligaments, the crest of the ilium.
I: Intertubercular Sulcus
N: Thoracodorsal Nerve

Rhomboideus Minor

O: The lower part of the ligamentum nuchae and the spines of the 7th cervical and 1st thoracic vertebrae.
I: The Vertebral margin of the scapula at the medial end of the spine
N: Dorsal Scapular Nerve

Rhomboideus Major

O: The spinous process and corresponding supraspinous ligament of the 2nd - 5th thoracic vertebrae
I: The vertebral margin of the scapula below the medial end of the spine
N: Dorsal Scapular Nerve

Levator Scapulae

O: The transverse process of the axis and atlus and the posterior tubercles of the transverse processes of cervical vertebrae 3 and 4
I: the superior angle and upper part of the vertebral border of the scapula.
N: Dorsal Scapular Nerve, Cervical Plexus

Pectoralis Major

O: Clavicular head - the anterior border of the medial half of the clavicle.
Sternocostal head - The manubrium and the body of the sternum; from rib cartilages 1 - 6.
I: The crest of the greater tubercle of the humerus.
N: Lateral and Medial Pectoral Nerves

O: The Axillary Border of the Scapula
I: Greater Tubercle of the Humerus
N: Axillary Nerve

Teres Major

O: The Inferior angle of teh scapula
I: The crest of the lesser tubercle of the humerus
N: Lower Subscapular Nerve

Biceps Brachii

O: Short Head - The Coracoid process of the scapula
Long Head - The Supraglenoid tubercle of the Scapula
N: Musculocutaneous Nerve

Brachialis

O: The Lower Anterior 1/2 of the Humerus
I: The Tuberosity of the Ulna and the Coronoid process of the ulna
N: Musculocutaneous Nerve

Coracobrachialis

O: Coracoid Process of the Scapula
I: An impression midway along the medial border of the shaft of the humerus
N: Musculocutaneous Nerve

Triceps Brachii

O: Long Head - From the Infraglenoid tubercle of the scapula
Lateral Head - From the posterolateral surface of the humerus above the radial groove
Medial Head - From the posteromedial surface of the humerus below the radial groove
I: Olencranon Process
N: Radial Nerve

O: The common flexor Tendon
I: The base of the 2nd metacarpal bone
N: Median Nerve

Flexor Digitorum Superficialis

O: Humeroulnar Head - The common flexor tendon and the coronoid process of the ulna
Radial head - the proximal radius
I: The shaft of the middle phalanx of fingers 2-5
N: Median Nerve

Flexor Carpi Ulnaris

O: Humeral Head - The common flexor tendon
Ulnar Head - The medial margin of the olencranon and the upper 2/3's of the posterior border of the ulna
I: the pisiform bone, the hamate and fifth metacarpal bones
N: Ulnar Nerve

Pronator Quadratus

O: From the distal 1/4 of the anterior surface of teh shaft of the ulna.
I: to the distal 1/4 of the anterior surface of the shaft of the radius.
N: Anterior Interosseous Branch of Median Nerve

Flexor Pollicis Longus

O: Anterior Suface of the radius, the adjacent interosseous membrane
I: The base of the distal phalanx of the thumb
N: Anterior Interosseous Branch of Median Nerve

O: Oblique Head - The Capitate Bone, The 2nd and 3rd Metacarpal Bones
Transverse Head - the 3rd metacarpal
I: the base of the proxmial phalanx of the thumb
N: Deep Terminal Branch of Ulnar Nerve

Palmaris Brevis

O: The Flexor Retinaculum, The Palmar Aponeurosis
I: Dermis on the Ulnar border of the hand
N: Superficial Terminal Branch of Ulnar Nerve

Abductor Digiti Minimi

O: The Pisiform bone
I: The base of the proximal phalanx of the little finger
N: Deep Terminal Branch of Ulnar Nerve

Flexor Digiti Minimi

O: The hook of the hamate bone, the flexor retinaculum
I: the base of the proximal phalanx of the little finger
N: Deep Terminal Branch of Ulnar Nerve

Opponens Digiti Minimi

O: The hook of the hamate bone, the flexor retinaculum
I: the ulnar side of the 5th metacarpal
N: Deep Terminal Branch of Ulnar Nerve

Lumbrical 1

O: Radial side and palmar surface of the tendon of the F.D.P. to the 2nd finger
I: The radial side of the extensor aponeurosis of the 2nd finger
N: Median Nerve

Lumbrical 3

O: the adjacent sides of the F.D.P. tendons to the 3rd and 4th fingers
I: The radial side of the extensor aponeurosis of the 4th finger
N: Deep Terminal Branch of Ulnar Nerve

Dorsal Interosseous 1

O: Arises from the Ulnar side of metacarpal #1 and the radial side of metacarpal #2
I: Passes to the radial side of the 2nd finger and thus inserts into the radial side of the base of the proximal phalanx of the 2nd finger and into the extensor aponeurosis on the radial side of the 2nd finger
N: Deep Terminal Branch of Ulnar Nerve

Dorsal Interosseous 2

O: Arises from the Ulnar side of metacarpal #2 and the radial side of metacarpal #3
I: Passes to the radial side of the 3rd finger and thus inserts into the radial side of the base of the proximal phalanx of the 3rd finger and into the extensor aponeurosis on the radial side of the 3rd finger
N: Deep Terminal Branch of Ulnar Nerve

Lumbrical 2

O: Radial side and palmar surface of the tendon of the F.D.P. to the 3rd finger
I: The radial side of the extensor aponeurosis of the 3rd finger
N: Median Nerve

Lumbrical 4

O: the adjacent sides of the F.D.P. tendons to the 4th and 5th fingers
I: The radial side of the extensor aponeurosis of the 5th finger
N: Deep Terminal Branch of Ulnar Nerve

Dorsal Interosseous 3

O: Arises from the Ulnar side of metacarpal #3 and the radial side of metacarpal #4
I: Passes to teh ulnar side of the 3rd finger and thus inserts into the ulnar side of the base of the proximal phalanx of the 3rd finger and into the extensor aponeurosis on the ulnar side of the 3rd finger
N: Deep Terminal Branch of Ulnar Nerve

Dorsal Interosseous 4

O: Arises from the Ulnar side of metacarpal #4 and the radial side of metacarpal #5
I: Passes to teh ulnar side of the 4th finger and thus inserts into the ulnar side of the base of the proximal phalanx of the 4th finger and into the extensor aponeurosis on the ulnar side of the 4th finger
N: Deep Terminal Branch of Ulnar Nerve

Palmar Interossous 1

O: The ulnar side of the palmar surface of the base of the 1st metacarpal
I: Ulnar side of the extensor aponeurosis of the thumb and into the sesamoid bone on the ulnar side of the proximal phalanx of the thumb
N: Deep Terminal Branch of Ulnar Nerve

Palmar Interossous 2

O: the entire ulnar side of the 2nd metacarpal
I: the ulnar side of the extensor aponeurosis of the 2nd digit
N: Deep Terminal Branch of Ulnar Nerve

Palmar Interossous 3

O: the entire radial side of the 4th metacarpal
I: the radial side of the extensor aponeurosis of the 4th digit
N: Deep Terminal Branch of Ulnar Nerve

Palmar Interossous 4

O: the entire radial side of the 5th metacarpal
I: the radial side of the extensor aponeurosis of the 5th digit and into the radial side of the proximal phalanx of the 5th digit
N: Deep Terminal Branch of Ulnar Nerve